The above 4 p-aminophenylsulfonylalkylamines were diazotized and then coupled with pyridone derivati...

在染色條件下，經(jīng)過120分鐘染色欧美午夜在线观看视频高清，4支染料在聚丙烯纖維上的上染率分別為52.1％国产美女裸体一区二区三区久久久体验视频、58.1％一级毛片女人与拘交久久剧场、60.5％和55％中文欧美。

The characteristic vibration modes of pyridone ring and amino group were showed with normal mode analysis, the reason for the difference between theoretical bands and experimental spectrum was discussed.

通過簡(jiǎn)正分析AV裸体网站，指認(rèn)了吡啶酮環(huán)和氨基的特征振動(dòng)頻率，討論了引起計(jì)算數(shù)據(jù)與實(shí)驗(yàn)結(jié)果差異的主要原因美女扒开腿让男人桶爽动漫。

The chem. shifts of b-nitrogen atom in 15N-NMR spectra of four 15N-enriched pyridone azo dyes were reported and the correlation between the chem. shifts of 15N atom and the pH values was studied.

報(bào)道了四個(gè)富氮-15吡啶酮偶氮染料的氮-15核磁共振中β-氮原子的化學(xué)位移欧美精品A片一区，研究了氮-15原子和pH值之間的關(guān)聯(lián)。

A novel complex of Ni (3-PyOH)4Cl2 (3-PyOH=-pyridone) was synthesized by the reaction of NiCl26H2O and 3-hydroxypyridine in an alcohol solution, and characterized by elemental analysis, IR spectrum and single crystal X-ray diffraction.

利用氯化鎳和3-羥基吡啶在乙醇溶液中反應(yīng)得到了配合物Ni(3-PyOH)4Cl2（3-Pyon=3-羥基吡啶）人妻毛片，并對(duì)其進(jìn)行了元素分析亚洲无码视频免费专区、紅外和單晶X射線的表征。

The relationships between the structures and properties of dyes were studied via DTA, light permanency and solvent resistance test which indicated that anthraquinone dyes were better than azo dyes in heat resistance and light permanency and the azo dyes in which the coupling components were pyridone were better than the other azo dyes.

通過DTA、耐曬及耐溶劑浸取等實(shí)驗(yàn)手段研究了染料的結(jié)構(gòu)與性能之間的關(guān)系激情亚洲无码视频。實(shí)驗(yàn)結(jié)果表明日日摸日日搞日日射，蒽醌類染料的耐熱性能、耐曬性能優(yōu)于偶氮類染料一级a爱视频免费网站aaa；以吡啶酮為偶合組分的偶氮染料的性能優(yōu)于其他系列的偶氮類染料欧美精品永久在线观看。

pyridone：吡啶酮;羥基吡啶

pyridinoprotein enzyme 吡啶蛋白酶 | pyridone 吡啶酮;羥基吡啶 | pyridoxal 吡哆醛;維生素 B6